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Miscellaneous, Series 001
Article   Subject/Title   PDF Size 
010 How to Quickly Obtain Spice Data 53KB
020 Plating and Solder Dipping 88KB
030 Metallurgical Bond Evaluation Methods for Diodes 217KB
035 Metallographic Cross Sectioning Techniques for the Performance of Destruct Physical Analysis of Glass Encapsulated Diodes 150KB
005 Care, Handling & Solder Profile for Diodes 37KB
050 Radiation Hardened Performance of Discrete Semis 44KB
060 MIL-PRF-19500 Qual Chips vs. MIL-PRF-38534 27KB

Transient Voltage Suppressors, Series 100
Article   Subject/Title   PDF Size 
100 MicroNote Index and Summary 52KB
101 A Primer on TVS Devices 1058KB
102 An Introduction to TVS Devices 555KB
103 What is a TVS? 399KB
104 Using the Power vs Time Curve 139KB
105 What is a Thyristor Surge Protector Device 119KB
106 Crowbars and Clamps 589KB
107 Cross Referencing TVS Devices 593KB
108 Determining Clamping Voltages for Pulse Currents 391KB
109 Protecting from ESD 649KB
110 Parasitic Capacitance in TVS 564KB
111 Parasitic Lead Inductance in TVS 564KB
112 Series Stacking TVS devices for Higher Current 932KB
113 Parallel Stacking TVS devices for Higher Current 898KB
114 Derating TVS devices for Higher Junction Temp 918KB
115 Derating TVS at Elevated Temp for varying XXX 690KB
116 Protection at a Transformer 167KB
117 Protecting USB Data I/O Ports 244KB
118 TVS/Chip Product Overview 217KB
120 Selecting TVS with PPP and Waveform Considerations 839KB
121 Protecting Data I/O ports with TVSArrays 217KB
122 Transient Protection across High Data Rate & RF Lines 50KB
123 Effective use of Space Saving TVSArrays 39KB
125 How to Select a Transient Voltage Suppressor 39KB
126 Lightning Protection for Aircraft per RTCA/DO-160D for ARINC 429 Protocol 318KB
127 Lightning Protection for Aircraft Electrical Systems 700KB
128 Unidirectional/Bi-Directional TVS Differences 161KB
129 Upscreening Commercial TVS Diodes for Avionics and Robust Environments or Applications 347KB
130 Overall TVS Selection 278KB
132 Aircraft Lightning Protection/DIRECTselect Method 3027
133 Repetitive Surge on Transient Voltage Suppressors 400KB

Zener & Zero TC Reference Diodes, Series 200
Article   Subject/Title   PDF Size 
201 An Introduction to Zener Diodes 694KB
202 Zener Voltage Regulation with Current 403KB
203 Zener Voltage Regulation with Temperature 1490KB
204 Zener Voltage Regulation and Thermal Resistance 85KB
205 Zero-TC Reference Diodes 71KB

Rectifiers and Diodes, Series 300
Article   Subject/Title   PDF Size 
301 Introduction to Rectifiers 154KB
302 Rectifier Reverse Switching Performance 224KB
303 Introduction to Rectifier Bridges and Dual Diodes 75KB
304 Introduction To Photovoltaic By-Pass Diodes 158KB

Schottky Rectifiers, Series 400
Article   Subject/Title   PDF Size 
401 Introduction to Schottky Rectifiers 79KB
402 High Temperature Reverse Bias 124KB

SCRs and Triacs, Series 600
Article   Subject/Title   PDF Size 
601 Nanosecond SCR Switch for Reliable High Current Pulse Generators and Modulators 164KB
602 UPGA301A Pulse Circuit Analysis 150KB
603 Anode Gate Thyristors and High Current AC Applications 155KB

RF and PIN Diodes, Series 700
Article   Subject/Title   PDF Size 
701 PIN Diode Fundamentals 116KB
702 IFF Systems use PIN Diodes 120KB
703 PINs & GaAs MESFET Switches-Effects On Linearity 120KB
704 The Potential use of RF PIN Diodes in Hand Held Transceivers 151KB
705 RF Frequency Linear Tuning Varactors 176KB
706 Low Distorition RF FM Generation and Detection Using Hyper-Abrupt Tuning Diodes 444KB
707 RF HF-VHF-UHF Voltage Controlled Oscillators using HyperAbrupt Tuning Diodes 162KB
708 The Advantages of PIN Diode Switches Over MESFET Switches for IEEE 802.11a High Speed Wireless LAN Applications 186KB
709 The 3G Power Game: Quiescent Current and Intelligent Biasing 289KB
710 NanoMount Switches for Microwave Applications 583KB
711 Analysis of NMR/MRI Coils using PIN Diode Switches 29KB

MOSFETs and IGBTs, Series 900
Article   Subject/Title   PDF Size 
901 Introduction to MOSFETs 143KB
APT0002 New 500V Linear MOSFETs for a 120kW Active Load 127KB
APT0101 Improved Power MOSFETS Boost Efficiency IN A 3.5kw Single Phase PFC 202KB
APT0102 Optimizing MOSFET and IGBT Gate Current to Minimize dv/dt Induced Failures in SMPS Circuits 218KB
APT0103 Making Use of Gate Charge Information In MOSFET and IGBT Data Sheets 371KB
APT0201 IGBT Tutorial 246KB
APT0301 Defining Diode Data Sheet Parameters 293KB
APT0302 Latest Technology PT IGBTs vs. Power MOSFETs 88KB
APT0402 Eliminating Parasitic Oscillation between Parallel MOSFETs 225KB
APT0403 MOSFET Tutorial 719KB
APT0407 VDS(on) VCE(sat) Measurement 236KB
APT0408 IGBT Technical Overview 202KB
APT9301 New Ultrafast Recovery Diode Technology Improves Performance of High Frequency Power Circuits (Presented At HFPC ‘93 USA) 75KB
APT9402 Understanding the Differences Between Standard MOSFETs And Avalanche Energy Rated MOSFETs 55KB
APT9503 Innovative Mounting Techniques Enhance Thermal Performance Of The Surface-Mount D3 Pak Package 64KB
APT9703 A New Generation Of Power MOSFETs Offers Improved Performance At Reduced Cost 90KB
APT9803 Improving the Full-bridge Phase-shift ZVT Converter for Failure-free Operation Under Extreme Conditions in Welding
and Similar Applications
290KB
APT9804 High-Voltage MOSFET Behavior in Soft-Switching Converters: Analysis and Reliability Improvements 508KB
APT9805 Performance Comparison of the New Generation of IGBTs with MOSFETs at 150kHz 86KB
APT9901 Optimizing the Design of 3.5kw Single-MOSFET Power Factor Correctors 194KB
APT9902 Cutting-Edge Mount Down Methods Boost Power Semiconductor Performance 59KB

SCSI Solutions, Series 1200
Article   Subject/Title   PDF Size 
1201 (AN-1) Understanding the Single-Ended SCSI Bus 225KB
1202 (AN-2) Ultra2 SCSI White Paper 122KB

Power Supply, Series 1300
Article   Subject/Title   PDF Size 
1301 (AN-6) Power Solutions for Flexible Motherboards 251KB
1302 (AN-7) A Simple Current-Sense Technique Eliminating a Sense Resistor 172KB
1303 (AN-8) Hiccup Mode Current Limiting 158KB
1304 (AN-9) Modulated Constant Off-Time Control Mechanism 78KB
1305 (AN-10) Design Procedure for MicroProcessor Buck Regulators 323KB
1306 (AN-17)DDR SDRAM Memory Termination (LX1672) 101KB
1307 (AN-18) LX1671 Design Reference Guide 284KB
1308 (AN-19) LX1672 Design Referenece Guide 266KB
1309 (AN-20) LX1673 Design Reference Guide 197KB
1310 LX1741 / 1742 Formula Calculator for AN22 824KB
1311 (AN-22) LX1741 / LX1742 Boost Converter Design Hint (See Also DN-099A and DN-099B) 550KB
1312 LED Driver Application for Portable Products (See also DN23A) 273KB
1313 (AN 30) LX1995 LED Driver: Camera Flash Application 52KB
1314 (AN-31) Over Voltage Protection on AC Adapter Input 40KB

Backlight Inverters / Light Sensors, Backlight LED Drivers, Series 1400
Article   Subject/Title   PDF Size 
1401 (AN-13) LX1686 Backlight CCFL Direct Drive Design Reference 225KB
1402 New CCFL Power Supply Expands Automotive Applications for Back Lit Liquid Crystal Displays 196KB
1403 (AN-28) LX1970 Visible Light Sensor 160KB
1404 (AN-32) Optical Design Of Ambient Light Sensor 84KB
1405 (AN-33)Enhanced Multi-mode CCFL Controller 660KB
1406 PD25012L/PD25012H Evaluation Board, User Guide 1.64MB

Audio Products, Series 1500
Article   Subject/Title   PDF Size 
1501 (AN-11) LX1720: High-Efficiency Class-D, Stereo Audio Amplifier Controller IC. Summary 154KB
1502 (AN-16) AudioMAX Design Resource 850KB
1503 Class-D Audio Amplifier ICs 484KB
1504 (AN-35) LX1725 15W X 2 30W BTL Class-D Audio Amplifier 970KB

Photo Diodes and Laser Drivers, Series 1600
Article   Subject/Title   PDF Size 
1601 MXP400x Wire Bond 153KB

Power Amplifiers, Series 1700
Article   Subject/Title   PDF Size 
1701 (AN-36) LX5506M High Gain, High Efficiency Power Amplifier (Also see LX5506 and LX5506B) 48KB

RF Power Transistors, Series 1800
Article   Subject/Title   PDF Size 
1807 DRF Series SPICE Models 453KB
1808 ARF300 – ARF301 In N-N and N-P Half Bridge RF Generators 1200
1809 ARF475FL, 128 MHz Pulse Amplifier 398KB
1810 DRF Device Mounting Procedures and Power Dissipation 635KB
1811 DRF1200 Reference Design Kit 304KB
APT0001 High Voltage, High Efficiency MOSFET RF Amplifiers - Design procedure examples 109KB
APT0401 Determining Maximum RF Output Power Rating 37KB
APT9403 Simple and Inexpensive High-Efficiency Power Amplifier Using New APT MOSFETs 231KB
APT9501 A High-Efficiency 400 Watt 13.56 MHz RF Power Amplifier 111KB
APT9502 Low Cost 1000 Watt, 300 Volt RF Power Amplifier For 13.56 MHz 75KB
APT9701 Low Cost 1000 Watt 300 Volt RF Power Amplifier for 27.12MHz 73KB
APT9702A A 50 MHz, 250W Amplifier Using Push-Pull ARF448A/B 364KB
APT9801 A Push-Pull 300-watt Amplifier for 81.36 MHz 252KB
APT9802 A 300W MOSFET Linear Amplifier for 50 MHz 115KB
APT9903 500W, Class E 27.12 MHz Amplifier Using A Single Plastic MOSFET 64KB
APTB981 Capabilities of Low-cost High Voltage RF Power MOSFETs at HF and VHF 42KB
DRF100 DRF100 Evaluation Board 149KB
DRF12XX DRF12XX Evaluation Board 54KB
DRF1300 DRF1300 Reference Design Kit 400KB
DRF13XX DRF13XX Evaluation Board 61KB
DRF200G DRF200G Evaluation Board 42KB
MTTS05 First Demonstration of 4H-SiC RF Bipolar Junction Transistors on a Semi-insulating Substrate with fT/fMAX of 7/5.2 GHz Semi-insulating Substrate with fT/fMAX of 7/5.2 GHz 274KB

Power Modules, Series 1900
Article   Subject/Title   PDF Size 
1901 Mounting Instructions for SP3 Power Modules 310KB
1902 Mounting Instructions for SP6-P (12mm) Power Modules 412KB
1903 Advanced IGBT Driver Application Manual 1003KB
1904 Mounting Instructions for SP1 Power Modules 160KB
1905 35 kW Active Rectifier with Integrated PM 527KB
1906 Low profile power module 1.14MB
APT0404 Turn Off Snubber Design for High Frequency Modules 242KB
APT0405 Parallel Connection of IGBT & MOSFET Power Modules 346KB
APT0406 Using NTC Temperature Sensors Integrated into Power Modules 274KB
APT0501 Mounting Instructions for SP4 Power Modules 417KB
APT0502 Handling Instructions & Protection Against Electrostatic Discharges 334KB
APT0503 Module Flatness – Generic Specification 62KB
APT0601 Mounting Instructions for SP6 Power Modules 386KB
APT1204 High Frequency and Paralleling Modules for High Current 1124KB
APT9601 High Frequency Resonant Half Bridge 156KB
APT9904 48kW Resonant Converter For X-Ray Machines Uses High Speed Power Modules with Integral Liquid Cooling 99KB

Power over Ethernet, Series 2000
Article   Subject/Title   PDF Size 
2001 (AN-37) LX1752 UC3844 Triple Isolated PoE PD Power Supply 522KB

PoE Applications
In order to gain access to the "Power Over Ethernet" Application Notes, you have to be registered as a myPoE member.
Please proceed to the myPoE login and registration page.

The following Application Notes are available:

  • Designing an IEEE 802.3af and Mid-Power Powered Device Front - end
  • Current Sharing Techniques for High Power PoE Applications
  • Powering PDs with High Power Requirements (HPDs)via High Power over Ethernet (HPoE)
  • Software Download to PowerDsine Power over Ethernet Unit
  • Designing a Low-cost IEEE 802.3af PD (Powered Device) Front-end
  • Classification Feature In Power over Ethernet Systems
  • AC-Disconnect Feature In Power over Ethernet Systems



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RF Power & Bipolar Transistors | S-Band Radar | SCR | Thyristors | Varacter Diode | WLAN Power Amplifier | Zener Diode | Power Over Ethernet | IEEE802.3af | PoE ICs

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